Switch construction.



H. A. BENEDICT. SWITCH CONSTRUCTION.

APPLICATION FILED NOV. 22, 1912v 1,086,639, Patented Feb. 10, 1914.

2 SHEETS-SHEET 1.

ATTORNEYS H. A. BENEDICT.

SWITCH CONSTRUCTION.

APPLICATION FILED NOV. 22, 1912.

1,086,639. Patented Feb. 10, 1914. I7 -4- 7 7 -5 2 SHEETS-SHEET 2.

wnuassas: l TOR ATTORNEYS HOMER A. BELZEDICT, OF SYRACUSE, NEW YORK.

SWITCH CONSTRUCTIGN.

Specification of Letters l'atent.

Patented Feb. 10, 1914.

Application filed November 22, 1912. Serial E0. 782,844.

To all whom it may concern Be it known that I, HOMER A. BENEDICT, of Syracuse, in the county of ()nondaga and State of New York, have invented a certain new and useful Switch Construction, of which the following is a specification.

This invention has for its object the production of a particularly simple and eflicient switch construction especially applicable for effecting the dimming of incandescent electric lamps; and it consists in the novel fea tures' hereinafter set forth and claimed.

In describing this invention reference is had to the accompanying drawings in which like characters designate corresponding parts in all the views.

Figure 1 is a plan view of one form of switch construction, partly in section. Fig.

'2 is a sectional view partly in elevation.

Fig. 3 is a plan of the base of the resistance means. Figs. 4 and 5 are plan views of the switch arms of a three circuitrotary snap switch embodied in my switch construction. Figs. 6 and 7 are diagrammatic views of said three circuit rotary snap switch. Figs. 8, 9 and 10 are diagrammatic views illustrating respectively the electrical connection when all the resistances are cut in, the connection when one of the resistances is cut out, and the connection when all the resistances are out out.

-This switch construction comprises, generally, resistance coils, switch terminals, two of which are connected to the lead wires, one of said two terminals being connected to one of the resistances and the other terminals being connected to the resistances, and switch arms operable to engage the terminals to cut out the resistances or cut in the same, or to break the circuit through theswitch. As here shown the resistances are arranged in concentrically arranged coils arranged coa'xially with the axis of the switch. s 1 is .a cupped base of insulation 2, 3 and 4 are rings of insulation located concentrically within the base and having resistance coils 5, 6 and 7 thereon, the bottom of thebase 1 being formed with g ooves or seats 8 for the rings and also with o enings9 for thelead wires 10 which are connected to the terminals of the switch. The coils 6 and 7 are connected together to act as one resistance unit.

11 is the base of a rotary snap switch, the snap switch here shown being a three circuit being connected to one of the terminals as 12 through one of the resistances as 5, and the third and fourth terminals 14 and. 15 being connected through the resistance coils 6, 7'. The arms 16 and 17 of this three pole switch are arranged normally to be in an ofi' position and upon the first turn of the button 18 of the switch, the contacts of thearms 16, 17 are arranged to make a connection 'shown in Fig. 8 in which both resistances 5 and 6 and 7 are in the circuit in series between the terminals 12 and 13. Upon the next turn of the button 18, the contacts of said arms 16, 17 operate to engage the terminal 14 and the terminal13 so that but one resistance 5 is in the circuit as shown in Fig. 9 the resistances 6 and 'ibeing shortcircuited. Upon the next turn of the button 18 although a plurality of contacts of the switch arms 16, 17 are engaged with different terminals, two of such contacts engage with the terminals 12 and 13 so that the resistance coils 5, 6 and 7 arecut out of the circuit as shown in Fig. 10 and a current of maximum strength flows through the switch so that the lamp connected. in circuit Will give maximum light.

The three circuit snap switch is of any desirable form, size and construction and any commercial form may be used and hence as these three circuit switches are well known, it is thought that further description herein is unnecessary.

This invention is particularly advantageous in that it provides means of attaching the resistances by which an incandescent electric lamp can he dimmed, which means can be connected to commercial switches.

hat I claim is:

1. The combination of a cupped base a resistance coil mounted in the base, and a switch including a base mounted on the firstmentioned base and having terminals there on connected to the resistance coil, substan tially as and for the pur ose set forth.

2. The combination 0 a cupped base, a plurality of concentrically arranged rings located within'the base, resistance coils encircling said rings, a rotary switch having its base inserted into the first-mentioned base above said rings, terminals of the switch being connected to the resistance coils whereby in different closed positions of the switch different reel circuit, substantially describe/i.

The combination of a capped a plurality of concentrically erree ed rings in the base detachable therefrom, tine base also having (weninge for line wires,- the onenings commumating with the interior of t e base between two of the rings, with e, vthree cirere een'nectecl in 21-5 and fer the purpose cuit single pole snap switch having its base mounted in the-first-mentioned base, two of theierminels ofthe switch being designed to be connected to the lead Wires and one of the resistance coils being eoz mec ted. to one oeeeee at said two terminals and to the third termiml, and another of said coils being connect ed tovthe third terminal and the fourth ter minal, substantially as {ind for the purpose specified;

In testimony whereof, I have hereunto signed my name in the presence of two attesting Witnesses, at Syracuse; in the county of Onondaga, in the State of New York, this. 7 day of Oct. 1912. r

v HOMER A. BENEDICT. I

Witnesses:

L. M. BURTON, S. DAVIE. 

